Important:The 510-T batteries are not compatible with the clasic 510 usb cable or the eGo ones , but only with those inside the 510-T package, that you may find inside our kit or separately on our website.The atomizers match perfectly with other batteries such as: clasic 510, mega 510, eGo, eGo-T, KGO.The atomizers have the same system as the eGO-T.